Order and suborder for lizards
- Order: Squamata
- Suborder: Sauria
True or False, both upper and lower eyelids are movable
False, the upper eyelid is immovable
Lizards can shed their tails and regrow them. What is this called?
Shedding of the skin is called
The large scales on the head are called
These contain pheromone secreting integumental glands and are located on the medial aspect of the thigh and hind limb
This is a large circular plate (scale) located on the head below the ear drum
Lizards exhibit _______ _______ which means they can move their upper jaw independently of the lower jaw
Name 10 bones of the lizard's skull (without the mandible)
- occipital condyle (single)
This is a tiny "skylight" in the parietal bone covered by a scale
The parietal eye/organ is found on the _______ and is associated with the ______ gland.
In lower vertebrates, the parietal organ is a ________ organ which regulates _______ _______.
photoreceptor, circadian rhythms
5 bones that make up the mandible
This is the ventral process of the caudal vertebrae and houses vessels of the tail
The ventral process of the caudal vertebrae contains a ______ _______ and a _______ ________ which houses the vessels of the tail.
hemal spine, hemal arch
Site of venipuncture in the lizard
What are the two parts of the sternum
the cranial sternum proper & caudal xiphisternum
Name the three types of ribs and describe their articulations
- cervical ribs - do not join the sternum
- vertebral ribs - articulate with the sternum
- xiphisternal ribs - articulate with the xiphisternum
The tongue is used more for _____
This means the teeth all look the same
This term refers to teeth that are attached to the lingual aspect of the jaw and are continually replaced
This term describes teeth that are attached on both the labial and lingual aspects of the jaw and are not replaced
The bones of the pectoral girdle (5)
Lizards have a _____ ______ between the small and large intestines
The 3 regions of the cloaca
The heart has how many chambers?
Deoxygenated blood passes from the sinus venosus to the (left/right) atrium, to the (ventral/dorsal) ventricle and then into the _______ _______ leading to the lungs
right, dorsal, pulmonary trunk
Oxygenated blood returns to the (left/right) atrium via the ________ _______. The blood then passes through the (dorsal/ventral) part of the ventricle and into the _______ and ______ _______ arches.
- left, pulmonary veins
- ventral, left & right aortic
In the male, the caudal most region of the kidney makes a contribution to ________.
In females, the ______ gland is imbedded in the mesovarium.
Name that penis:
Reptilia have ________, while Chelonia and Eusuchia have ________.
These contain the hemipenes